Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
2.1 information » 3.1 information
14 developing » 4 developing, 1 developing, 10 developing
developing av » developing a, developing ai, developing amp
contents 4 » contents 1, contents _, contents i
av africa » v africa, iv africa, can africa
costa 14 » cost 4, costa e, cost 12
4 de » 4 die, 4 der, 4 des

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information contents 4 de communication costa 14 developing av africa.*.